Home / 849,752.34-1,273,802.31-280,743.54

Finding the Fourth Proportional to 849,752.34, 1,273,802.31 and 280,743.54

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Solution

The fourth proportional to 849,752.34, 1,273,802.31 and 280,743.54 is: 420,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,752.34 : 1,273,802.31 = 280,743.54 : x
  2. Step 2: Convert to fraction form
    849,752.34/1,273,802.31 = 280,743.54/x
  3. Step 3: Cross multiply
    849,752.34x = 1,273,802.31 × 280,743.54
  4. Step 4: Simplify right side
    849,752.34x = 357,611,769,769.58
  5. Step 5: Solve for x
    x = 357,611,769,769.58/849,752.34
  6. Step 6: Final answer
    x = 420,842.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.